Viber has just surpassed 100 million registered users to date. Just select a contact and connect freely! With Viber there is no importing contacts, searching for usernames and sending out invitations. Viber integrates seamlessly with your phone and identifies your contacts who already have Viber, so you can start communicating right away. Viber is a VoIP app that allows us to connect with people using the app by chat or voice calls via wifi or 3G. I will provide information about this app and a bit of a review. Today, I have chosen Viber as theApp of the day. You can access this by clicking on the menu called App of the Day on the top of this page. Hey guys, this the debut of this section called App of the Day.